diff mbox series

[1/7] net: apple: bmac: Use IRQF_NO_AUTOEN flag in request_irq()

Message ID 20240909133034.1296930-2-ruanjinjie@huawei.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series net: Use IRQF_NO_AUTOEN flag in request_irq() | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Guessed tree name to be net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 7 this patch: 7
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers success CCed 8 of 8 maintainers
netdev/build_clang success Errors and warnings before: 7 this patch: 7
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 7 this patch: 7
netdev/checkpatch warning WARNING: line length of 86 exceeds 80 columns
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Jinjie Ruan Sept. 9, 2024, 1:30 p.m. UTC 
disable_irq() after request_irq() still has a time gap in which
interrupts can come. request_irq() with IRQF_NO_AUTOEN flag will
disable IRQ auto-enable when request IRQ.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
---
 drivers/net/ethernet/apple/bmac.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/apple/bmac.c b/drivers/net/ethernet/apple/bmac.c
index 292b1f9cd9e7..785f4b4ff758 100644
--- a/drivers/net/ethernet/apple/bmac.c
+++ b/drivers/net/ethernet/apple/bmac.c
@@ -1317,7 +1317,7 @@  static int bmac_probe(struct macio_dev *mdev, const struct of_device_id *match)
 
 	timer_setup(&bp->tx_timeout, bmac_tx_timeout, 0);
 
-	ret = request_irq(dev->irq, bmac_misc_intr, 0, "BMAC-misc", dev);
+	ret = request_irq(dev->irq, bmac_misc_intr, IRQF_NO_AUTOEN, "BMAC-misc", dev);
 	if (ret) {
 		printk(KERN_ERR "BMAC: can't get irq %d\n", dev->irq);
 		goto err_out_iounmap_rx;
@@ -1336,7 +1336,6 @@  static int bmac_probe(struct macio_dev *mdev, const struct of_device_id *match)
 	/* Mask chip interrupts and disable chip, will be
 	 * re-enabled on open()
 	 */
-	disable_irq(dev->irq);
 	pmac_call_feature(PMAC_FTR_BMAC_ENABLE, macio_get_of_node(bp->mdev), 0, 0);
 
 	if (register_netdev(dev) != 0) {